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-- see wireless jammer
local get = vector.get_data_from_pos
local set = vector.set_data_to_pos
local remove = vector.remove_data_from_pos
local storage = minetest.get_mod_storage()
local jammers = minetest.deserialize(storage:get_string("jammers")) or {}
local function update_mod_storage()
storage:set_string("jammers", minetest.serialize(jammers))
end
local function add_jammer(pos)
if get(jammers, pos.z,pos.y,pos.x) then
return
end
set(jammers, pos.z,pos.y,pos.x, true)
update_mod_storage()
end
local function remove_jammer(pos)
remove(jammers, pos.z,pos.y,pos.x)
update_mod_storage()
end
local function is_jammed(pos)
local JAMMER_MAX_DISTANCE = moremesecons.setting("jammer", "max_distance", 10, 1)
local pz,py,px = vector.unpack(pos)
for z,yxs in pairs(jammers) do
if math.abs(pz-z) <= JAMMER_MAX_DISTANCE then
for y,xs in pairs(yxs) do
if math.abs(py-y) <= JAMMER_MAX_DISTANCE then
for x in pairs(xs) do
if math.abs(px-x) <= JAMMER_MAX_DISTANCE
and (px-x)^2+(py-y)^2+(pz-z)^2 <= JAMMER_MAX_DISTANCE^2 then
return true
end
end
end
end
end
end
return false
end
minetest.after(0, function() -- After loading all mods, override some functions
local jammed
local actual_node_get = mesecon.get_node_force
local function temp_node_get(pos, ...)
local node = actual_node_get(pos, ...)
if jammed == nil
and node then
jammed = is_jammed(pos)
end
return node
end
local actual_is_conductor_off = mesecon.is_conductor_off
local function temp_is_conductor_off(...)
if jammed then
-- go to the next elseif, there's is_effector
return
end
local v = actual_is_conductor_off(...)
if v then
-- it continues to the next frontier
jammed = nil
end
return v
end
local actual_is_effector = mesecon.is_effector
local function temp_is_effector(...)
local abort_here = jammed
-- the last elseif before continuing, jammed needs to be nil then
jammed = nil
if abort_here then
return
end
return actual_is_effector(...)
end
local actual_turnon = mesecon.turnon
function mesecon.turnon(...)
--set those to the temporary functions
mesecon.get_node_force = temp_node_get
mesecon.is_conductor_off = temp_is_conductor_off
mesecon.is_effector = temp_is_effector
actual_turnon(...)
mesecon.get_node_force = actual_node_get
mesecon.is_conductor_off = actual_is_conductor_off
mesecon.is_effector = actual_is_effector
-- safety
jammed = nil
end
end)
mesecon.register_node("moremesecons_jammer:jammer", {
description = "Mesecons Jammer",
paramtype = "light",
},{
tiles = {"moremesecons_jammer_off.png"},
groups = {dig_immediate=2},
mesecons = {effector = {
action_on = function(pos)
add_jammer(pos)
minetest.sound_play("moremesecons_jammer", {pos = pos})
minetest.swap_node(pos, {name="moremesecons_jammer:jammer_on"})
end
}},
},{
tiles = {"moremesecons_jammer_on.png"},
groups = {dig_immediate=2, not_in_creative_inventory=1},
mesecons = {effector = {
action_off = function(pos)
remove_jammer(pos)
minetest.swap_node(pos, {name="moremesecons_jammer:jammer_off"})
end
}},
on_destruct = remove_jammer,
on_construct = add_jammer,
})
minetest.register_craft({
output = "moremesecons_jammer:jammer_off",
recipe = {{"group:mesecon_conductor_craftable", "default:mese", "group:mesecon_conductor_craftable"},
{"", "moremesecons_wireless:jammer_off", ""}}
})
if moremesecons.setting("jammer", "enable_lbm", false) then
minetest.register_lbm({
name = "moremesecons_jammer:add_jammer",
nodenames = {"moremesecons_jammer:jammer_on"},
run_at_every_load = true,
action = add_jammer
})
end
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